Category Archives: APS Physics

Defects Control Silica’s Viscosity

Posted on July 4, 2022 by rberkowitz

The quirky temperature dependence of liquid silica’s viscosity comes from the liquid equivalent of crystal defects, according to new simulations. Continue reading →

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Mirror Image Pinpoints a Nanoparticle’s Position

Posted on June 28, 2022 by rberkowitz

A scattered laser beam’s interaction with itself creates a motion-detection method precise enough to determine whether a trapped particle is in its ground state. Continue reading →

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Martian Rocks Produced Bio-Friendly Gas Long Ago

Posted on June 7, 2022 by rberkowitz

Iron-rich rocks in Minnesota give a proxy view into how aqueous interactions with Martian rocks could have shaped that planet’s early environment Continue reading →

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Pore Collapse Leads to Universal Banded Patterns

Posted on June 1, 2022 by rberkowitz

A model attributes the propagating bands that appear in a compressed porous medium to structural changes alone. Continue reading →

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A Liquid Method to Prepare Ion Beams

Posted on May 24, 2022 by rberkowitz

A liquid-metal jet can strip electrons from a high-intensity, accelerator-based ion beam, increasing the beam’s charge and enhancing accelerator performance. Continue reading →

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Fluid Dynamics of Clouds

Posted on May 17, 2022 by rberkowitz

In a series of invited papers, researchers discuss new tools for reducing uncertainties in climate models associated with cloud formation and
transport. Continue reading →

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Parametric Amplification for Silicon Quantum Devices

Posted on May 11, 2022 by rberkowitz

A new design based on the quantum capacitance of a silicon quantum dot could enable scalable, high-fidelity qubit readout. Continue reading →

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A Quick Way to Measure Isotope Ratios

Posted on May 6, 2022 by rberkowitz

A new laser-based method allows scientists to detect the isotope concentration of different chemicals in a gas in a short time. Continue reading →

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Unpolarized Light Could Separate Chiral Molecules

Posted on May 4, 2022 by rberkowitz

Numerical simulations suggest that unpolarized light with a twisted phase could help sort left- and right-handed molecules into separate ring-shaped traps. Continue reading →

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The Two Structures of Hot Dense Ice

Posted on April 21, 2022 by rberkowitz

Experiments indicate that superionic ice can exist in two stable crystal structures. Continue reading →

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